Cardiovascular disorder

This early-stage study tests STX-1150, a new medicine that temporarily turns off a gene (PCSK9) in the liver to lower bad cholesterol (LDL-C). It does not change your DNA. Up to 64 adults with high LDL-C will receive one or more doses and be followed for a year. The main goal is …

This study tests whether anifrolumab, a drug that blocks certain immune signals, can improve blood vessel function and reduce inflammation in people with lupus. About 45 adults with lupus will receive either the drug or a placebo over 8 months. Researchers will measure changes in…

Researchers at the University of South Carolina are testing a program that pairs nurses with community health workers to coach adults who have chronic conditions like diabetes, high blood pressure, heart disease, kidney disease, or a prior stroke. Each patient joins with a carepa…

This early-stage trial tests a new CRISPR-based treatment called CTX310 for people with severe cholesterol and triglyceride problems that don't improve with standard therapies. The treatment uses a tiny fat bubble to deliver gene-editing tools that turn off a gene linked to high …

This phase 3 study is testing an injectable drug called zilebesiran in about 11,000 adults whose high blood pressure is not well controlled despite taking at least two standard medications. Participants also have heart disease or are at high risk for it. The goal is to see if add…

This study tests a new device (Sphere-9 catheter and Affera system) to treat ventricular tachycardia, a fast, dangerous heart rhythm, in 260 adults who have had a heart attack. Participants must have had repeated episodes despite medication or a defibrillator. The goal is to see …

This study tests a new device called the Zenith Fenestrated+ Endovascular Graft, used with special stents, to repair aortic aneurysms that involve arteries to the kidneys and other organs. About 105 people with large or fast-growing aneurysms will be enrolled. The goal is to see …

This study tests whether two common heart medications—atorvastatin (a statin) and lisinopril (an ACE inhibitor)—can prevent or reduce heart damage caused by radiation therapy for chest cancers like breast, lung, and esophageal cancer. About 60 adults receiving chest radiation wil…

This large phase 3 trial is testing whether adding vicadrostat to the existing drug empagliflozin can reduce the risk of heart problems in adults with type 2 diabetes, high blood pressure, and heart disease. About 11,800 participants will take either the combination or a placebo …

This trial tests whether a single daily pill that combines treatments for high blood pressure, high cholesterol, and type 2 diabetes can lower the risk of heart disease and dementia. The study involves over 8,000 adults aged 50 to 75 in China who have all three conditions. Partic…

This study tests whether inclisiran, a twice-yearly injection that lowers cholesterol, can prevent major heart and limb events in 6,000 people who recently had artery-opening procedures. Participants receive either inclisiran or a placebo shot at the start, at 90 days, and every …

After a liver transplant, patients take tacrolimus to stop their immune system from rejecting the new organ, but the drug can cause kidney problems, high blood pressure, diabetes, and other side effects. Researchers at the University of Alberta are comparing a once-daily extended…

This phase 3 trial is testing whether adding baxdrostat to the standard drug dapagliflozin can better prevent heart failure and cardiovascular death in people with type 2 diabetes who already have heart disease and high blood pressure. About 11,300 participants will receive eithe…

This study tests a new device to replace the mitral valve in people with severe mitral regurgitation (a leaky heart valve) who cannot have standard surgery or a less invasive repair. About 1,056 participants will receive the device and be followed for safety and quality of life. …

Researchers are testing whether a daily probiotic supplement can improve blood sugar, blood pressure, and body composition in people over 65 who have prediabetes or type 2 diabetes and known heart disease. Participants take one probiotic capsule each morning for 60 days, while a …

Researchers are testing an inhaled drug called mosliciguat in people who have pulmonary hypertension caused by interstitial lung disease, a condition where lung scarring leads to high blood pressure in the lungs. The phase 3 trial enrolls about 376 participants who receive either…

This trial investigates whether eating a daily serving of peanuts can reduce stress and improve markers of heart health in adults who report high stress levels. Participants will eat either peanuts or a calorie-matched snack for a period, while researchers measure changes in stre…

This study looks at whether eating cottonseed oil just three times a week can help lower cholesterol and reduce heart disease risk. Researchers will give 75 overweight or at-risk adults meal replacement shakes with different amounts of cottonseed oil for 56 days. They will measur…

This study tests a new heart pump called BrioVAD for people with severe heart failure that doesn't get better with standard treatments. The pump uses magnetic levitation to help the heart pump blood. About 780 adults will get either the BrioVAD or an existing pump to see if the n…

This study looks at whether a cardiac rehabilitation program can improve recovery for people who have had a stroke. Researchers will enroll 150 stroke survivors and add cardiac rehab to their usual care. They will measure walking ability, daily function, and whether the program r…

This study looks at whether taking omega-7 oil (palmitoleic acid) can improve cholesterol levels and help control appetite in healthy adults. About 110 participants will take omega-7 capsules daily for 24 weeks and have their blood and health checked. The goal is to see if this n…

This study tests whether using a CT scan to guide heart stent placement is better than the current standard (IVUS ultrasound) for people with hardened, calcified coronary arteries. About 700 adults with evidence of reduced blood flow to the heart will be randomly assigned to one …

This study tests a drug called lepodisiran in 252 adults with high levels of Lp(a), a protein linked to heart disease. Participants must have heart disease or be at risk for a first heart event. The drug is given as an injection and compared to a placebo to see if it reduces plaq…

This study looks at the long-term safety of the drug pelacarsen in people with high lipoprotein(a) and heart disease. About 5,700 participants who finished a previous pelacarsen trial will receive the drug and be monitored for side effects and heart events. The goal is to see if …

This study tests whether the Edwards EVOQUE system, a valve replacement delivered through a catheter, can safely and effectively treat tricuspid regurgitation, a condition where the tricuspid valve fails to close properly. Researchers will enroll 500 adults in Europe who are deem…

This study is testing a new device called the Sphere-9 catheter, used with the Affera mapping system, to treat ventricular tachycardia (VT) — a fast, dangerous heart rhythm. The procedure uses heat to destroy small areas of scarred heart tissue that cause the abnormal rhythm. The…

This trial tests whether a 12-week Nordic walking program, which uses poles to engage more muscles and burn more calories than regular walking, improves cardiovascular fitness in overweight or obese adults with type 2 diabetes and recent heart problems. Participants are randomly …

This study tests a new inhaled drug, mosliciguat, added to an existing treatment (treprostinil) for people with high blood pressure in the lungs caused by lung scarring. The goal is to see if the combination is safe and tolerable. About 20 adults with this condition will particip…

This trial tests whether a clopidogrel-based antiplatelet regimen is as effective as aspirin plus low-dose rivaroxaban in preventing heart attacks, strokes, and other vascular events. Adults with a history of heart attack or peripheral artery disease will be randomly assigned to …

This study tests an experimental drug called ATV-1601 in people with moderate to severe HHT, a condition that causes frequent nosebleeds and anemia. The trial has two parts: first, participants receive either the drug or a placebo to check safety and effectiveness; then, all elig…

This pilot study tests whether a sleep health program designed for couples can improve sleep and blood pressure. Fifty couples will take part in an 8-week program that includes sleep education, coaching, and a Fitbit to track sleep. The goal is to see if working together as a tea…

This study tests a new device called Freesolve, a temporary magnesium scaffold that props open blocked heart arteries and then dissolves over time. About 1,859 people with up to two new blockages will receive either this scaffold or a standard permanent stent. The goal is to see …

This study is testing whether a year-long program of daily blueberries, protein powder, and three weekly exercise sessions can reduce frailty and lower the risk of heart disease in older adults. Researchers will enroll 240 people aged 65 and older in Nova Scotia. The goal is to s…

This trial tests whether a daily probiotic pill can improve gut health and lower heart disease risk in 250 people living with HIV who drink heavily. Heavy drinking changes gut bacteria, which may raise inflammation and heart disease risk. Researchers will measure changes in gut b…

This study tests whether a care model led by rural doctors and supported by telemedicine can reduce strokes, heart failure, and heart-related deaths in adults aged 65 and older who are at high risk of stroke in rural China. About 2,500 participants from 39 village clinics will be…

This phase 3 trial is testing an experimental daily pill called AZD0780 in about 15,100 people who have had a heart attack, stroke, or are at high risk for one. The drug works by blocking a protein called PCSK9 to lower cholesterol. Researchers want to see if it reduces the chanc…

This study will test whether a low-sodium salt substitute, which contains potassium chloride, is safe for adults with high blood pressure who are on medication. About 607 participants in Bangladesh will replace regular salt with the substitute for a period. Researchers will monit…

This study follows about 52 people with homozygous familial hypercholesterolemia (HoFH), a rare genetic condition causing extremely high cholesterol and early heart disease. Researchers will compare those who get evinacumab (a cholesterol-lowering antibody) added to their usual t…

This study tests a 6-month digital care program for adults aged 50+ with type 2 diabetes and at least one other chronic condition like high blood pressure or kidney disease. The program combines online education, phone support, a mobile health app, home visits, and personalized c…

This study tests a 10-week program to improve heart health in home health aides, who often have poor cardiovascular health. Participants work with a trained peer coach (another home health aide) to learn healthy habits and positive thinking. The program is based on the American H…

Most older Americans eat too much salt, which can raise blood pressure and harm the kidneys. This study tests whether a ketone supplement (a substance the body makes during fasting or exercise) can block those harmful effects. Thirty-five adults aged 60-85 will follow a high-salt…

This study tests whether delivering healthy DASH-diet groceries and dietitian support to people with high blood pressure in Florida, Georgia, and Tennessee can lower their blood pressure. About 150 adults with elevated blood pressure will receive all their groceries for 4 weeks. …

This trial tests whether losartan, a common blood pressure medication, can improve heart and blood vessel function in adults who were exposed to secondhand tobacco smoke for many years, such as former flight attendants or casino workers. Participants will receive either losartan …

This study tests a device that uses radiofrequency energy to treat high blood pressure in the lungs (pulmonary hypertension) in people with heart failure. The goal is to see if it can reduce serious heart events like hospitalizations or death. About 750 adults with stable heart f…

This study tests a new device called the VDyne System, which is placed inside the heart through a tube in a blood vessel to replace a leaky tricuspid valve. The trial will include 730 people with severe symptoms who have not improved with medication. Researchers will compare the …

This study is testing a digital app called VIRTUES that provides educational resources and treatment recommendations for heart conditions like atrial fibrillation and heart failure. Researchers will enroll 2000 patients across 11 modules to see if the app is easy to use and helps…

This study is a registry that follows about 960 people with coronary artery disease who are treated with a special balloon coated with a drug called sirolimus. The balloon is used to open blocked heart arteries. Researchers will track heart-related events like death, heart attack…

This trial tests a 9-month program for women who had preeclampsia during their first pregnancy. The program includes online screening, group meetings, and a smartphone app to help monitor blood pressure and weight. Researchers want to see if it improves heart health and promotes …

This study tests a new digital tool called P3-EX that helps doctors create personalized exercise plans for patients with heart disease risk factors like high blood pressure, diabetes, and obesity. Researchers will recruit 24 doctors and 48 patients to compare the new tool with a …

This study is tracking 1,000 patients with high blood pressure who receive the Paradise Ultrasound Renal Denervation treatment. The procedure uses ultrasound energy to calm overactive nerves near the kidneys, which can help lower blood pressure. Researchers are monitoring blood p…

This trial tests whether taking inulin, a type of dietary fiber, for two weeks can improve cardiovascular health, muscle function, and the balance of gut and vaginal bacteria in perimenopausal women who are overweight or have obesity. Participants will take either inulin or a pla…

This pilot study tests whether adding powder made from Chardonnay grape skins and seeds to the daily diet can improve gut and heart health. The study includes postmenopausal women aged 45-70 with excess weight and high triglycerides. Participants will consume the powder daily, an…

This study tests whether adding pelacarsen to inclisiran can further lower a type of cholesterol called Lp(a) in people with heart disease. About 340 adults with high Lp(a) and LDL-C will receive either pelacarsen or a placebo, plus inclisiran. The main goal is to see if Lp(a) le…

This study tests whether a pacemaker programmed to each person's needs can improve symptoms and outcomes for people with a common type of heart failure (HFpEF). About 700 adults with heart failure but normal pumping strength will receive either personalized pacing or minimal/no p…

Black individuals often have lower levels of natriuretic peptides, heart hormones that help regulate metabolism. This trial tests whether raising those hormone levels with a drug called sacubitril/valsartan can improve insulin sensitivity and energy expenditure. About 200 Black a…

This study will test whether a 4-month digital coaching program (Noom) helps adults who recently started GLP-1 medications improve their diet and physical activity. About 220 participants will use the app to track food and exercise, get coaching, and learn about managing challeng…

This study tests whether dapagliflozin, a drug already approved for diabetes and heart failure, can improve exercise ability and heart function in people who have had the Fontan procedure. About 30 participants aged 12 and older will take the drug daily for 3 months. The goal is …

This study tests a drug called inclisiran in children aged 2 to 12 who have a rare genetic condition that causes extremely high cholesterol. The goal is to see if the drug safely lowers their bad cholesterol compared to a placebo. Participants will receive either inclisiran or pl…

This early study is testing a new device called the TRiCares Topaz, which is threaded through a vein to replace the tricuspid valve in the heart. It is for adults with severe tricuspid valve leakage who are not good candidates for open-heart surgery. The study will check if the d…

This study tests whether adding digital coaching to home-based cardiac rehabilitation helps veterans complete more rehab sessions and improve their heart health. 150 veterans with heart disease will be randomly assigned to standard home rehab or home rehab plus a private social m…

This study tests whether a set of lifestyle interventions can help women going through menopause reduce inflammation, improve heart health, slow biological aging, and ease symptoms like hot flashes. Researchers will enroll 200 women aged 45-55 who are in late menopause transition…

This study tests whether a behavioral program — time-restricted eating, nutrition education, and reducing sedentary time — can prevent the unhealthy fat buildup that often occurs during chemotherapy for breast cancer. Researchers will measure changes in visceral and muscle fat us…

This study tests a web-based program called Web-SUCCEED that helps veterans with chronic illness and their informal caregivers work together to manage the condition. The program includes three weekly online modules and brief phone calls with staff, focusing on stress coping and c…

This study tests a digital tool called PREVENT that helps doctors in rural clinics give personalized advice on physical activity and healthy eating to patients with obesity. The tool creates tailored behavior-change recommendations and shows a map of local resources like parks or…

This trial tests whether colchicine, an anti-inflammatory drug used for gout, can reduce inflammation in the coronary arteries of people with HIV who have high cardiovascular risk. Participants take either colchicine or a placebo daily for 96 weeks, and changes in artery inflamma…

This early study tests a device called the A-FLUX Reducer, which is implanted into a vein in the heart to help blood flow. It is for people with chest pain caused by problems in the heart's tiny blood vessels (microvascular dysfunction). The study will enroll 30 adults and focus …

This study is testing the safety and performance of the Navitor TAVI system, a device used to replace a narrowed heart valve (aortic stenosis) without open-heart surgery. About 1,000 participants who are eligible for the procedure will receive the Navitor valve and be followed fo…

This study tests whether a non-invasive technique called transcutaneous spinal electrical stimulation (TSES) can improve how well people with spinal cord injury respond to exercise. Participants will do cycling-like leg exercises with and without TSES to see if it boosts oxygen u…

This study tests whether regular phone calls and text messages with lifestyle advice can help adults in Nepal with uncontrolled high blood pressure lower their numbers. Five hundred participants will receive either the mobile health program or usual care for six months. The goal …

This early-stage trial tests a one-time gene therapy called RP-A701 in 8 adults with dilated cardiomyopathy caused by a faulty BAG3 gene. The therapy uses a harmless virus to deliver a working copy of the gene, aiming to improve heart function. The main goal is to check safety, b…

This study tests a faster version of a procedure called renal denervation, which uses energy to calm overactive nerves in the kidneys to lower blood pressure. About 130 adults with uncontrolled high blood pressure will receive the quicker procedure. The goal is to see if it works…

This study tests a program designed to help men with prostate cancer manage their heart health while undergoing hormone therapy (ADT). The program involves two counseling sessions with a nurse or physician assistant to educate about cardiovascular risks and how to reduce them. Re…

This study tests whether taking a daily fiber and magnesium supplement (WellBiome) for 6-8 weeks before heart surgery can improve recovery. Researchers will compare ICU time, complications, and hospital stay between 80 patients who get the supplement or a placebo. The goal is to …

This study tests a device that uses radiofrequency energy to disrupt nerve signals in the kidney and liver arteries, aiming to lower blood pressure in people with uncontrolled hypertension. About 175 adults aged 18-80 with high blood pressure despite medication will be enrolled. …

This study tests a decision aid—a tool that provides information and goal-setting exercises—to help women who had high blood pressure during pregnancy take steps to protect their heart health after childbirth. The goal is to improve engagement in preventive care like blood pressu…

This study is testing a new device called the BrioVAD, a mechanical heart pump for people with severe, advanced heart failure that doesn't get better with standard treatments. The goal is to see if the pump is safe and helps people live longer and feel better. About 60 adults wit…

This study compares two cholesterol-lowering strategies in about 1,950 adults with chronic kidney disease and heart or blood vessel disease. One group gets a moderate-dose statin plus ezetimibe, the other gets a high-dose statin alone. The goal is to see if the combo is just as g…

This study tests whether a mechanical heart pump (HeartMate 3) can help people with advanced heart failure live longer and avoid serious complications like stroke or the need for a heart transplant. About 850 participants will either receive the pump or continue standard medical …

This study tests whether using HEPA air filters at home can slow the progression of heart disease in adults aged 65-84 who have a history of ischemic heart disease. Over 112 participants in Los Angeles will use real or sham filters for several months, and researchers will measure…

This study tests whether taking low-dose aspirin for six months after childbirth can help blood vessels heal and lower blood pressure in women who had preeclampsia. About 60 new mothers will receive either aspirin or a placebo. The goal is to see if this simple treatment can redu…

This study tests a lifestyle program designed to help teens and young adults (ages 15-25) with congenital heart disease become more physically active. Participants will receive a Fitbit, a personalized exercise plan, and education on healthy living. The goal is to see if the prog…

This study tests a smartphone program called HeartSteps to help people with heart disease stay physically active after cardiac rehab. Sixty adults will wear a Fitbit and use the app for 3 months to see if it boosts their weekly exercise minutes. The goal is to learn how to best s…

This study compares two different drugs, vicadrostat and spironolactone, both taken with empagliflozin, to see how they affect kidney function and protein levels in blood and urine. The trial involves 100 adults with chronic kidney disease and heart disease or heart failure. Part…

This study is testing a community-based program that uses exercise training and lifestyle changes to help people with high blood pressure, high blood sugar, or high cholesterol. The goal is to improve heart and lung function and overall disease control. The program will enroll 10…

This study is testing whether bariatric surgery (like gastric bypass) can safely reduce the risk of major heart problems—such as heart attacks, strokes, and heart failure—in people with severe obesity and high heart risk. About 700 participants will be randomly assigned to either…

This study tests whether semaglutide, a drug used for diabetes, can help adults with HIV reduce their alcohol intake and smoking, and lower their risk of heart disease. About 200 participants will take semaglutide or a placebo for 3 months and provide blood, stool, and saliva sam…

This study compares two approaches for low-risk patients with small blood clots in the lungs (isolated subsegmental pulmonary embolism). Half will receive standard blood-thinning medication (rivaroxaban), while the other half will get a placebo and be closely monitored. The goal …

This study looks at whether royal jelly, a substance made by bees, can reduce inflammation and oxidative stress in people with high blood pressure. Researchers will give 34 participants royal jelly or a placebo for two months and measure changes in blood markers. The goal is to s…

This early study tests whether combining electrical stimulation cycling with blood flow restriction cuffs is safe and doable for people with chronic spinal cord injury. Six adults will try the 20-minute exercise sessions over 6 weeks. The goal is to see if this approach can be us…

This study is testing whether nattokinase, an enzyme from fermented soy, can reduce inflammation and improve cholesterol levels in people with high cholesterol. Researchers will measure blood markers of inflammation and heart risk in 48 adults over two months. The goal is to see …

This large trial in New Taipei City will test whether a mobile digital health platform with interactive modules helps people better control high blood pressure, high blood sugar, and high cholesterol. It will also compare taking blood pressure medication at night versus in the mo…

This study tests a drug called inclisiran in children aged 6 to 12 who have a genetic condition that causes very high cholesterol. The drug is given as a shot under the skin and aims to lower 'bad' LDL cholesterol. The trial compares inclisiran to a placebo for one year, then eve…

This study compares starting with two oral medications (tadalafil and ambrisentan) versus one medication alone in people newly diagnosed with pulmonary arterial hypertension (PAH) who also have at least two heart-related conditions. The goal is to see if the two-drug approach lea…

This study is testing whether taking green propolis extract and royal jelly together can reduce inflammation and oxidative stress in people with high blood pressure or chronic kidney disease. Over two months, 153 participants will take capsules of the supplements or a placebo. Re…

This study tests whether a lifestyle program can help people with obsessive-compulsive disorder (OCD) become more active and lower their risk for heart disease and diabetes. Researchers will enroll 108 adults with OCD who are not very active. The program focuses on increasing dai…

This study tests whether drinking traditional kefir every day for 12 weeks can improve blood sugar control and heart health in 156 adults who are overweight and either at risk for or already have type 2 diabetes. Participants will drink either kefir or plain milk. The main goal i…

This trial is testing a drug called tenecteplase for people with a severe stroke caused by a blockage in the basilar artery at the back of the brain. About 688 participants will receive either tenecteplase or standard care within 24 hours of symptoms starting, followed by a clot-…

This study tests whether a special activity score, calculated from heart rate data, can help people who have completed cardiac rehab stick to exercise guidelines. About 318 participants will wear a smartwatch for 4 months and do an exercise test at the end. Researchers will compa…

This study tests whether adding a 10-week health coaching program from a community health worker to remote blood pressure monitoring helps women who had high blood pressure during pregnancy. 240 women will be followed for 6 months after delivery. The goal is to see if the combine…

This study is testing whether providing information about local food resources, help from a community health worker, or medically-tailored meals can improve blood pressure and medication adherence in people with uncontrolled hypertension who also face food insecurity. About 224 p…

This study tests whether text messages can help people who have finished cardiac rehab keep up healthy habits like weight management, physical activity, and taking medications. Researchers will enroll 400 people from groups often left out of heart research. The study compares dif…

This study looks at whether taking tofacitinib (a rheumatoid arthritis drug) along with a statin (a cholesterol-lowering drug) can lower the chance of serious heart problems in people with rheumatoid arthritis. The study will compare this combination to another standard treatment…

This study tracks 1,000 Medicare patients with uncontrolled high blood pressure to see if a procedure called renal denervation (using the Symplicity Spyral device) helps lower blood pressure and prevent heart attacks or strokes over two years. Researchers will compare patients wh…

This study tests whether a special exercise program that combines rhythm and multitasking (called RYMA) can reduce falls, fractures, and heart problems in people aged 65 and older with type 1 or type 2 diabetes. Participants will be screened for fall risk, bone health, nerve func…

This Phase 3 trial tests olpasiran, a drug that lowers lipoprotein(a), a genetic risk factor for heart disease. About 406 adults with stable heart disease and high Lp(a) will receive either olpasiran or a placebo. The main goal is to see if olpasiran reduces non-calcified plaque …

This study is testing a new device called the TRiCares Topaz system to replace a leaky heart valve (tricuspid valve) without open-heart surgery. It will enroll 80 adults with severe leakage who are at high risk for traditional surgery. The goal is to see if the device is safe and…

This study tests whether genetic testing can help veterans at high risk for heart disease start and stick with statin medications. About 410 veterans aged 40-75 with diabetes or heart disease who are not currently taking statins will receive either a genetic report on their stati…

This study compares a wearable blood pressure monitor (Aktiia G1) to a traditional arm cuff in adults with uncontrolled high blood pressure. Over 6 months, researchers will see which method leads to better blood pressure control. Participants must have a smartphone and attend two…

This study is testing whether adding registered dietitian counseling or occupational therapy home safety tips to regular home-delivered meals can reduce fall risk in older adults. Researchers will compare four groups: meals alone, meals plus dietitian, meals plus occupational the…

This study looks at whether taking blood pressure medication in the morning or evening works better for obese people with high nighttime blood pressure. Obese individuals often have disrupted natural rhythms that raise their heart disease risk. Researchers will give 160 participa…

This study tests whether getting a flu vaccine soon after a heart attack can reduce inflammation in the heart's arteries. Researchers will compare the vaccine to a placebo in 90 adults who recently had a heart attack and a stent procedure. They will use special CT scans and blood…

This study tests whether a daily pill called sotagliflozin can slow kidney function loss in people with type 1 diabetes who already have moderate to severe kidney disease. About 150 participants will take either the drug or a placebo for 3 years, while following a special plan to…

This study looks at whether people at moderate risk for heart problems should continue or stop taking aspirin before a colonoscopy. About 2,500 participants will be randomly assigned to take either aspirin or a placebo for a few days around the procedure. The goal is to see which…

This study looks at whether two common statins (pitavastatin and rosuvastatin) affect male sex hormones and erectile function in men aged 40-65 with high heart risk. Researchers will monitor 150 men for 6 months, checking hormone levels, erectile function, and blood vessel health…

This large phase 3 trial is testing whether colchicine (a gout medication) and low-dose aspirin, taken together or alone, can prevent heart attacks, strokes, and cardiac death in 10,000 high-risk people with type 2 diabetes who have not yet had a heart-related event. Participants…

This study looks at the best blood-thinning medicine after a minimally invasive heart valve repair for mitral regurgitation, a common heart condition. About 1,032 participants will be randomly assigned to take either aspirin alone or aspirin plus clopidogrel. The goal is to see w…

This study is testing whether a personalized approach to lowering 'bad' cholesterol (LDL-C) works better than standard moderate-dose statins for preventing first heart attacks, strokes, or related events in people aged 70 and older with type 2 diabetes. About 2,186 participants w…

This study looks at 880 people who had a minimally invasive heart valve repair and also need long-term blood thinners. It compares taking just one blood thinner (rivaroxaban) versus taking two (rivaroxaban plus clopidogrel) to see which causes fewer bleeding problems over one yea…

This study tests whether adding organizational support to a church-based exercise program helps Latinas become more active. 560 Latina women from 28 churches will be assigned to one of three groups: standard exercise classes, enhanced with leader training and tailored messaging, …

This study tests if dapagliflozin, a diabetes drug, can reduce heart and blood vessel risks in women who had high blood pressure during pregnancy. About 200 participants will take either the drug or a placebo daily for six months after delivery. The goal is to see if the drug imp…

This study looks at whether starting treatment early for atrial fibrillation (AF) that is only detected by heart devices can help control the condition. About 520 adults with these hidden AF episodes will be randomly assigned to either early rhythm control therapy (medication, sh…

This study tests a program where trained peers deliver blood pressure medications directly to patients' homes and use health technology to support adherence. The goal is to see if this approach helps people with uncontrolled high blood pressure take their pills regularly and lowe…

This study tests whether starting cholesterol-lowering treatment in the emergency department can help prevent heart attacks and strokes in people at risk. About 130 adults aged 40-75 who are in the ER for possible heart issues will receive guideline-based care. The goal is to low…

This study tests whether a new drug called CIR-0602K can help people with type 1 diabetes keep their blood sugar in a healthy range and reduce their insulin needs. The trial involves 40 adults aged 18-45 who already use an automated insulin pump. Half will get the drug and half a…

This study tests a program called CVD-FIT for African American adults who struggle to afford food and are at risk for heart disease. Participants get monthly income support, weekly incentives to buy healthy food, and phone-based education on heart health. The goal is to see if th…

This study compares the effects of healthy diets containing cottonseed oil versus other common plant oils on heart health markers like cholesterol. Researchers will enroll 52 adults with elevated LDL cholesterol and overweight. Participants will follow each diet for 4 weeks in a …

This study tests whether using a wearable fitness tracker, alone or with health coaching, helps adults aged 40+ with central obesity (belly fat) become more active and improve heart health markers. 133 participants will be split into three groups: one gets a Fitbit with coaching,…

This study tests if using focused ultrasound to modify fat around the kidney can safely lower blood pressure in people with hypertension. About 30 adults with mild high blood pressure despite medication will be enrolled. The treatment is compared to a sham procedure to see if it …

This study tests whether empagliflozin (Jardiance), a drug used for diabetes, can protect the kidneys and heart in people who have had a heart transplant. About 200 veterans will take either the drug or a placebo daily for 12 months. The goal is to see if it improves kidney funct…

This study looks at whether taking just one blood thinner (single antiplatelet therapy) is safer and as effective as taking two (dual antiplatelet therapy) in older adults or those at high risk of bleeding who have had a balloon procedure to open blocked heart arteries. About 576…

This study is testing whether giving air conditioners and a $100 electricity subsidy to older adults in Boston neighborhoods can reduce heat stress, heat strain, and related health problems. One hundred participants aged 55-95 who don't have AC will be randomly assigned to receiv…

This study tests whether a drug-coated balloon can reduce fatty deposits in heart arteries better than standard medications alone. Researchers will enroll 400 adults who recently had a heart-related event (acute coronary syndrome). Participants will get either the balloon treatme…

This study tests whether omega-3 fatty acids from fish oil or camelina oil can reduce inflammation and improve heart health in 324 adults over 55 at moderate to high cardiovascular risk. Participants take daily supplements for 12 weeks, and researchers measure changes in blood ma…

This phase 3 trial compares two common beta blockers—metoprolol and carvedilol—in about 2,540 hemodialysis patients. The goal is to see if metoprolol, which is removed by dialysis, leads to fewer major heart events like heart attacks, strokes, or heart failure hospitalizations. P…

This study looks at whether a program that combines digital health coaching for patients and support for clinics can help low-income people with diabetes better manage their condition. Researchers will enroll 600 adults with uncontrolled diabetes or high blood pressure. The goal …

This study tests whether rapidly adjusting cholesterol-lowering medications, based on frequent blood tests, helps heart disease patients reach their LDL cholesterol targets faster. Researchers will enroll 1000 adults with coronary artery disease and monitor their cholesterol leve…

This study tests a program called MINDSET for veterans with chronic conditions like heart disease or diabetes who smoke or drink too much. Participants receive a mailed packet with personalized health information and a brief motivational phone call. The goal is to see if this app…

This study is tracking 2,000 people with coronary artery disease who receive either a Synergy XD or Synergy Megatron stent during a routine procedure to open blocked heart arteries. Researchers want to see how these stents perform in everyday medical practice compared to other dr…

This study tests whether a community health worker-led program can help Mexican-origin adults with fatty liver disease (MASLD) better understand their heart disease risk and make healthier lifestyle changes. About 45 participants and their family members or friends will take part…

This registry tracks 160 high-risk patients with resistant hypertension due to narrowed kidney arteries. All patients undergo a procedure called percutaneous transluminal renal angioplasty (balloon dilation, often with a stent) to open the blockage. Researchers will measure chang…

This study tests whether bempedoic acid, a cholesterol-lowering drug, can reduce artery inflammation and improve heart health in people with HIV. About 121 adults aged 40 and older with well-controlled HIV and at least one heart disease risk factor will receive either the drug or…

This study tests whether a special high-intensity interval training (HIIT) program can improve heart health in school-age children who are at high risk for cardiovascular disease. The program involves short bursts of intense exercise, done several times a week. Researchers will t…

This study tests whether adding stair climbing to a brisk walking routine lowers blood pressure more than walking alone. 450 adults with high blood pressure, overweight, and a sedentary lifestyle will be split into three groups: stair walking plus brisk walking, brisk walking onl…

This study tests whether a digital heart health program (a web app, online classes, and special foods) added to usual care can lower cholesterol and reduce heart attacks in people with heart disease or risk factors. About 1,100 participants will be randomly assigned to the progra…

This study will compare two groups of people with chronic heart failure: those who receive the Cordella PA Sensor System (an implanted device that monitors pressure in the lung artery) and those who get standard medication alone. Researchers will track about 2,150 participants fo…

This study tests several affordable oral medications—including semaglutide, empagliflozin, metformin, and pioglitazone—to see if they can reverse prediabetes, promote weight loss, and lower heart disease risk in Hispanic adults. Researchers will monitor blood sugar, body fat, and…

This study tests a program called Transition to Cardiac Rehabilitation (T2CR) for Veterans with heart disease who also have other health problems or frailty. The program starts in the hospital and continues at home, helping patients build skills and motivation to do cardiac rehab…

This study is testing whether a planned hospital stay that focuses on managing all of a patient's health problems (like high blood pressure, diabetes, and weight) can lower their risk of a future heart attack or stroke. The study will enroll 70 adults who are already at high risk…

This study tests whether a six-month program of dietary counseling and group exercise can reduce heart disease risk in adults with severe mental illnesses like schizophrenia or bipolar disorder. Around 70 participants will either receive the lifestyle program plus usual care, or …

This trial tests a special balloon coated with sirolimus (a drug) to treat small arteries in the heart, compared to standard drug-eluting stents. About 1605 people with coronary artery disease will be randomly assigned to one of the two treatments. The goal is to see if the ballo…

This study tests a new radioactive tracer called 18F-FAPI-74 that may help detect scar tissue (fibrosis) in the heart and lungs earlier than current methods. Researchers will compare this new PET/CT scan to standard imaging in 210 adults with conditions like lung disease or heart…

Researchers are studying whether breast artery calcification, a finding sometimes seen on routine mammograms, can help identify women at higher risk for heart disease. The trial enrolls women aged 55 to 65, both with and without this calcification, who do not have diabetes or exi…

Researchers are building AI models that score standard physical and cognitive screening tests from video and audio, and that predict results a person did not obtain. The study enrolls adults 18 and older and follows them for life, linking records to a long-term aging study to che…

This study looks at whether a simple blood test done in the ambulance can safely rule out a heart attack in people with chest pain. Many patients are taken to the hospital even though they are not having a heart attack. The test uses a portable device to measure a heart protein c…

This study collects blood samples from 20,000 adults with conditions like infections, heart disease, or kidney issues. Researchers will use these samples to develop and fine-tune new diagnostic tests that can deliver results quickly at the point of care. The goal is to make disea…

This trial tests whether an artificial intelligence tool can help doctors detect undiagnosed atrial fibrillation and structural heart disease from routine electrocardiograms (ECGs). About 1,000 healthcare providers are randomly assigned to either receive AI-generated risk alerts …

This study is testing whether a new type of CT scan, called photon-counting CT, can do it all in one go for people who have had a coronary stent placed. The scan aims to check the stent and arteries, measure blood flow to the heart muscle, and assess heart function in a single ex…

This study evaluates a new multichannel ECG system designed to detect early signs of cardiovascular disease (CVD) in people who may have no symptoms yet. The system uses advanced algorithms to analyze electrical signals from the heart, looking for subtle abnormalities that could …

This study tests whether an AI program can help emergency doctors find undiagnosed heart failure, COPD, and cancer by analyzing chest X-rays. Researchers will compare diagnosis rates when doctors have access to the AI's findings versus when they don't. The trial involves 17,000 a…

This study tests whether artificial intelligence can plan cardiac MRI scans as accurately as expert radiographers. 150 adults will receive both an AI-planned and a standard scan, and doctors will compare the image quality and time taken. If successful, AI could help reduce long w…

This study is testing a new smartphone-connected 12-lead ECG device to see if it can accurately diagnose heart attacks (STEMI and NSTEMI) in people with chest pain. Researchers will compare the smartphone ECG readings to standard hospital ECGs in 1000 adults. The goal is to valid…

This study is testing a special mattress that can measure heart rate, breathing, temperature, and body position without touching the patient. It is designed for people with heart disease who are in the hospital. The goal is to see if this wireless system works as well as standard…

This study tests a new radioactive dye called 68Ga-NI-FAPI for PET/CT scans. It aims to better detect diseases like tumors, heart problems, and lung scarring by targeting a protein linked to tissue damage. About 30 people, including healthy volunteers and patients, will take part…

This study tests a new imaging method called Al18F-NOTA-FAPI-04 PET/CT or PET/MRI to see if it can better detect and guide treatment for malignant tumors, heart problems, and autoimmune diseases like hyperthyroidism. About 600 adults will receive the imaging agent and be monitore…

This study tests a tool called 'Breathlessness diagnostics in a Box' (BiaB) to see if it helps doctors in primary care diagnose the cause of breathlessness faster than usual care. About 900 adults in the Netherlands, Spain, and Portugal will take part. The tool is used during rou…

This study at Mayo Clinic is testing whether voice recordings can help detect pulmonary hypertension, a serious condition affecting the heart and lungs. Researchers will collect voice samples from 7,000 people already scheduled for an echocardiogram. The goal is to see if voice p…

This study tests whether a generative AI tool can help doctors diagnose complications and co-existing diseases in people with rheumatoid arthritis. The AI reviews patient records and suggests possible issues like lung or heart problems. Doctors then decide if the AI's suggestions…

This study tests a portable EEG device called StrokePointer that ambulance crews can use to detect severe strokes caused by large vessel blockages. Currently, over half of these patients are taken to hospitals that cannot perform the needed clot-removal procedure, causing an aver…

Researchers are testing whether primary care clinics can prevent heart attacks and strokes by automatically calculating each patient's cardiovascular risk and sending monthly text messages with advice to those at high risk. The trial enrolls about 22,000 adults aged 40 to 79 in Y…

Researchers are studying how heart conditions affect memory and thinking, and whether a 24-week program of cardiac rehabilitation and cognitive stimulation can improve cognitive function. The trial enrolls 5,000 adults, including a subgroup with mild cognitive impairment. Partici…

Researchers in Pakistan are testing whether a mobile app that uses artificial intelligence to send personalized heat-risk alerts can reduce heat-related illness symptoms in adults with chronic conditions such as hypertension, diabetes, kidney disease, heart disease, or obesity. T…

Researchers are comparing two LDL cholesterol targets in adults who have had a small vessel occlusion stroke, a type of stroke caused by blocked small arteries deep in the brain. Participants receive standard cholesterol-lowering drugs, with or without ezetimibe or PCSK9 inhibito…

This large study is testing whether taking atorvastatin (a statin) can help healthy adults aged 75 and older avoid dementia, disability, and death. Participants are randomly assigned to take either the drug or a placebo for several years. The goal is to see if this simple pill ca…

This study tests whether regular, personalized health coaching—delivered virtually and during community screenings—can reduce the 10-year risk of heart attack or stroke in adults aged 40-75 who have at least one cardiometabolic risk factor like high blood pressure, high cholester…

This study is testing whether a special software that analyzes CT scans of the heart's arteries can better prevent heart attacks, strokes, and other cardiovascular events compared to usual care based on risk factors like cholesterol and blood pressure. The trial will enroll 7,500…

This trial tests whether personalized health dialogues, combined with lifestyle screening and molecular profiling, can reduce the risk of cardiovascular disease, cancer, and other serious conditions. Adults aged 40, 50, 60, and 70 in Sweden's Skåne region will participate. They w…

This study tests a mobile app called m-LIfE designed to help sedentary bank employees in Pakistan become more active and eat better. Over 12 weeks, participants will receive daily reminders, tips, and tracking tools. The goal is to see if the app is practical and can encourage he…

This study tests whether a telemedicine program, led by village doctors and supported by wearable devices and remote specialists, can prevent heart failure in older adults (65-80) with atrial fibrillation living in rural China. About 1,268 participants will be assigned to either …

This trial tests whether making a small opening in the sac around the heart (posterior pericardiotomy) during heart surgery can prevent a common complication called atrial fibrillation. About 650 adults in China having surgery on the heart's valves, coronary arteries, or aorta wi…

This study looks at how different amounts of resistance exercise (like weight lifting) affect heart health in overweight, inactive adults. Participants are split into groups that do aerobic exercise alone or aerobic plus varying durations of resistance training. The goal is to de…

This study is testing whether taking daily aspirin (100 mg) along with a high-intensity statin can prevent heart attacks, strokes, and other serious cardiovascular events in people aged 40–75 who have severe coronary artery calcification (calcium score ≥300). About 5,000 particip…

This study is testing whether a home-based screening kit can identify hidden heart risks better than standard doctor visits. 45,000 adults in Sweden aged 50-75 will either receive a home blood pressure monitor, a finger-prick blood test, and a health questionnaire, or continue wi…

This study tests a digital lifestyle program for adults aged 40-60 in Swedish primary care. Participants receive standard health advice plus app-based support for diet, exercise, alcohol, and smoking. The goal is to see if the program improves cholesterol and other heart health m…

This study tests whether using a carotid ultrasound (a neck scan) to find hidden plaque in arteries can help prevent heart attacks and strokes in people with inflammatory rheumatic diseases like rheumatoid arthritis or lupus. About 1,944 participants aged 50 and older will be spl…

This study compares a heart-disease prevention program delivered through a smartphone app to the traditional in-person clinic model. Researchers will enroll 144 adults aged 40-75 who have risk factors like high blood pressure, diabetes, or smoking. The goal is to see if the digit…

This large study in Denmark is testing whether the shingles vaccine (Shingrix) can do more than prevent shingles—it may also lower the risk of heart attacks, strokes, and dementia. About 162,000 adults aged 65 and older will either get the vaccine or no vaccine, and researchers w…

This study tests whether home visiting programs can improve heart health for mothers and their children. About 6,600 pregnant women and their kids will take part. The program focuses on healthy eating, physical activity, and managing weight and blood pressure to prevent future he…

This study tests if fexuprazan can prevent upper stomach bleeding in 400 heart patients at high risk for bleeding who must take two blood thinners after getting a heart stent. Participants receive either fexuprazan or the standard drug lansoprazole daily for 6 months. The goal is…

This study tests whether telling people their genetic risk for heart disease, along with personalized coaching, helps them adopt healthier habits. About 650 hospital staff members aged 40 and older will get their genetic risk score and meet with a cardiologist for tailored advice…

This study tests whether an artificial intelligence program can analyze chest CT scans to find calcium buildup in heart arteries—a sign of hidden heart disease. Doctors will receive this information and may start or increase cholesterol-lowering medications to prevent future hear…

This study looks at whether adding a heart disease prevention program to standard lung cancer screening can improve the health of heavy smokers. Researchers will use chest CT scans already taken for lung cancer screening to also check for hidden heart disease. 1000 participants w…

This study tests whether a family-centered program can help teens (ages 10–19) and their families adopt healthier lifestyles to prevent heart disease. About 1,280 participants from 32 villages in Uganda will take part. The program focuses on diet, exercise, and other heart-health…

This study tests whether community health workers can help people at higher risk for colorectal cancer get screened and adopt healthier habits. About 880 adults aged 45 and older who are not up-to-date with screening will be assigned to either a health worker-led program or usual…

This study tests whether a standardized, step-by-step protocol for giving blood thinner injections (low-molecular-weight heparin) can reduce bruising and pain in heart patients. About 180 patients in cardiac care units will be randomly assigned to receive injections either by the…

This study tests whether adding a short, guided mindfulness meditation session to standard cardiac rehabilitation can help heart patients feel better and control their blood pressure. Eighty adults with heart disease will be split into two groups: one gets standard rehab plus med…

This study tests a new type of mirror therapy to help people who have had a stroke regain movement in their arm and hand. The therapy uses a mirror to show the unaffected arm moving, which tricks the brain into thinking the affected arm is moving too. 81 participants will receive…

This study tests whether a personalized, sensor-based exercise program can reduce symptoms like palpitations and shortness of breath in people with atrial fibrillation (AF). Researchers will enroll 120 adults with paroxysmal AF who are not very active. Participants will use a dig…

This study tests whether low-intensity focused ultrasound (LIFU) applied to a nerve cluster in the neck can improve sleep quality and heart rate control in people recovering from heart surgery. 200 participants will receive either real or sham ultrasound daily for 3-7 days after …

This pilot study tests a care model called Patient Priorities Care (PPC) for older African Americans with heart disease plus other chronic conditions like diabetes or COPD. The approach shifts focus from treating each disease separately to aligning care with what matters most to …

This study looks at whether resistance training (like lifting weights) twice a week can improve blood vessel health, mood, sleep, and quality of life in women going through menopause. Researchers will compare a group that exercises with a group that only receives informational em…

This study tests a program called Confident Caregiver, designed to help family members who care for someone with heart disease. Caregivers receive four personalized coaching sessions focused on managing challenges, reducing stress, and connecting with support resources. The goal …

This study tests whether a type of talk therapy called Behavioral Activation, delivered via home-based telehealth, can improve social functioning and mood in veterans recently discharged from the hospital for a heart condition. About 132 veterans with depression will receive eith…

This study tests a low-intensity brain stimulation method called kTMP to help people who had a stroke at least 12 months ago improve arm and hand movement. About 12 adults aged 18-80 with moderate arm weakness will receive kTMP alongside motor rehabilitation. The goal is to see i…

This study is testing whether eating a soft chew containing plant stanols every day can reduce asthma symptoms in people with allergic asthma. Plant stanols are known to lower cholesterol, but they may also shift the immune system away from the type of response that triggers asth…

This study tests a smartphone app designed to help people prepare for heart surgery through exercise, nutrition tips, and telehealth check-ins. About 40 adults awaiting surgery will either use the app or receive standard care. Researchers want to see if the app is easy to use, ac…

This study looks at whether adding a special whey protein supplement to a high-fat meal can improve markers of heart and brain health in postmenopausal women who are overweight and at moderate risk for heart disease. Sixteen women will each try the supplement and a placebo on sep…

This study tests whether adding a specific nerve block (PIFB) to standard pain management helps patients recover faster after open-heart surgery. It compares two types of nerve blocks in 123 adults undergoing elective heart surgery. The goal is to see if one block is at least as …

This study tests whether a daily movement program led by a kinesiologist can reduce frailty in 60 hospitalized heart patients. Frailty makes people weaker and more likely to have longer hospital stays or be readmitted. The program encourages simple activities like standing, walki…

This study tests whether adding extra support—like booster sessions and a website—to an 8-week telephone mindfulness program can better reduce stress, anxiety, and depression in people with heart disease or risk factors. Researchers will compare different program options in 160 a…

This study tests whether a non-medication sleep program (CBT-I) can improve sleep, PTSD symptoms, and heart health in older adults with PTSD who still have sleep problems after PTSD therapy. About 167 veterans aged 50 and older will receive PTSD therapy first, then the sleep prog…

This study tests whether using conversational hypnosis during a transoesophageal echocardiogram (a heart ultrasound done through the throat) can make the procedure more comfortable for patients. Researchers will enroll 150 adults and measure their comfort levels right after the e…

This study tests whether adding a program that targets sleep and stress (called RESST) to standard cardiac rehabilitation helps heart patients recover better. About 200 adults with heart conditions who also have poor sleep or high stress will take part. Researchers will measure s…

This study looks at two different virtual exercise programs for women with coronary heart disease. Over 12 weeks, participants will exercise twice a week either with high-intensity intervals or moderate continuous activity. The goal is to see which type better improves exercise c…

This international study tests whether a smartphone game called Heart Farming can help inactive heart failure patients sit less and move more. 750 participants will either get standard activity advice or the game, which rewards walking with virtual farm products. The goal is to s…

This study tests a simple tool called iHeart DepCare to help people with heart disease who also feel depressed. About 200 adults will either get usual care or extra support and guidance to start depression treatment. The goal is to see if the tool helps more patients get the ment…

This study tests whether easy home-based strategies—like wearing blue-light blocking glasses, standing for 10 minutes each hour, and not eating after 8pm—can reduce the negative health effects of evening screen time. Researchers will track 30 adults with obesity or prediabetes wh…

This study tests a web-based app called IAMABLE that provides evidence-based rehabilitation strategies for people with chronic conditions like heart disease, arthritis, or neurological disorders. Fifty adults aged 45 to 75 will use the app for 4 months to set goals and learn abou…

This study tests whether giving iron infusions after a minimally invasive heart valve replacement (TAVI) helps patients with aortic stenosis and iron deficiency feel better and walk farther. About 402 older adults will be randomly assigned to receive iron or standard care. Resear…

This study compares a women-only cardiac rehabilitation program to the standard mixed-gender program for women with heart disease. Sixty women aged 40-80 will attend 36 sessions over 12 weeks, with extra women-focused education. Researchers will measure attendance, completion rat…

This study compares a diet rich in lean pork to a plant-based diet in 30 perimenopausal women with overweight. Over two 4-week periods, researchers will measure changes in blood vessel function, blood pressure, cholesterol, and hot flash interference. The goal is to see if pork c…

This study tests a home-based cardiac rehabilitation program delivered through a custom mobile app for people with heart failure. Participants use the app for education, mindfulness, and physical activity guidance, plus periodic video calls with an exercise physiologist. The goal…

This study tests a program called One-Mind One-Heart that combines mindfulness and behavior change skills to help older adults with HIV reduce stress and improve heart health. The program includes text messages and covers topics like physical activity, diet, and substance use. Th…

This study tests whether gentle electrical stimulation on the back can help stabilize blood pressure in people who recently had a spinal cord injury. Participants will undergo sit-up tests with and without stimulation to see if it prevents dizziness and keeps blood pressure in a …

This study tests whether mild electrical stimulation on the back can help stabilize blood pressure in people with chronic spinal cord injury who experience dizziness or fainting when sitting up. Five participants will have their blood pressure measured while tilted on a table, wi…

This study is a registry that collects information on the safety and effectiveness of Medtronic medical devices already on the market. It will include up to 100,000 people who have or will receive a Medtronic product for conditions like heart, nerve, or digestive disorders. The g…

This observational study aims to better understand what happens inside artery plaques in people with peripheral artery disease (PAD). Researchers will use special PET-CT scans to look for signs of inflammation, calcium buildup, and blood clots in the legs and other parts of the b…

This study aims to learn how type 2 diabetes and obesity in young people affect heart and blood vessel health over time. About 930 participants aged 12 to 25, including those with diabetes, overweight but not diabetic, and healthy lean individuals, will be followed for up to 25 y…

This study follows 7,500 adults who were part of an earlier health study. Researchers will use high-precision ultrasound to measure changes in artery stiffness and thickness over 12 to 16 years. The goal is to understand how arteries age and whether those changes can predict futu…

This study aims to learn more about heart and blood vessel diseases by observing people who have them or are at risk. Researchers will collect samples and perform tests like imaging and stress tests on up to 5,000 participants, including healthy volunteers and relatives of affect…

This study looks at how obesity and body fat affect heart disease risk in 2,000 healthy African American men and women. Researchers will measure body fat, blood fats, and insulin function to see if risk factors differ by sex. The goal is to understand why heart disease rates are …

This study aims to find the genetic causes of primary aldosteronism, a condition where adrenal tumors cause high blood pressure, in Black individuals. Researchers will enroll 1150 participants, including those with difficult-to-control blood pressure or known primary aldosteronis…

This study is observing 900 adults in Greece who have both chronic obstructive pulmonary disease (COPD) and at least one heart condition. Researchers will track their health for two years, recording lung flare-ups, heart complications, hospital visits, and quality of life. The go…

This study looks at how brief mental stress affects heart function and brain health in 450 adults aged 40-60. Participants complete two sessions: one with stress tests and heart monitoring, another with brain scans and memory tests. The goal is to understand links between stress …

This study aims to collect blood and tissue samples from up to 10,000 people with rare genetic vascular or cardiovascular diseases, as well as their healthy relatives. Researchers will use these samples to identify genetic causes and understand how these diseases work. The goal i…

This study follows 155 adults with CADASIL, a genetic condition that narrows small blood vessels and raises the risk of strokes and dementia, over nine years. Researchers will use brain scans, blood tests, and other exams to track how the disease changes blood vessels and thinkin…

This study aims to develop and test new MRI methods for imaging the heart and blood vessels to improve diagnosis and management of heart disease. It will enroll up to 3,400 adults, including both patients with heart conditions and healthy volunteers. Participants will undergo MRI…

This study tests whether a single PET tracer (FDG) can measure both blood flow and sugar use in the heart, instead of needing two separate tracers. Researchers will compare results from FDG with a dedicated flow tracer in 60 healthy adults and people with heart disease. The goal …

OPERA is a large observational database that collects health records from people treated for chronic conditions such as HIV, liver disease, inflammatory bowel disease, heart disease, rheumatic disease, and neurodegenerative disease. Researchers use the records to study how these …

Some cancer drugs cause rare but serious heart and metabolic problems. This study follows 5,000 cancer patients across several French hospitals who receive a dedicated heart checkup and ongoing follow-up through cardio-oncology programs. Researchers track how many patients benefi…

Immune checkpoint inhibitors help the body's immune system fight cancer, but in some patients they trigger dangerous heart inflammation and other cardiovascular problems. Researchers are combing through the World Health Organization's global drug safety database, two French natio…

This study aims to learn more about how diseases related to blood clots, the immune system, and blood vessels start and change over time. Researchers will enroll up to 1,000 people aged 5 and older, including those with these conditions, their healthy relatives, and healthy volun…

This study tests whether a 12-week nutrition and kidney health program, called THINK-Well, works well for adults with chronic kidney disease. The program includes group nutrition classes, cooking practice, and food bucks to buy healthy foods. Researchers want to see how many peop…

This study aims to develop better MRI methods for imaging the heart and brain, and to describe heart diseases using these new techniques. It will also investigate whether gadolinium, a common MRI contrast agent, stays in the body long after use. Up to 5,000 healthy volunteers and…

This observational study will enroll up to one million adults to understand how health, environment, and lifestyle affect aging and disease. Researchers will link participants' clinical data with information from public records, such as pollution and social factors, to create a d…

This study will follow 1,000,000 adults aged 18 and older for the rest of their lives. Researchers will collect health measurements and track who develops diseases, becomes frail, or dies. The goal is to find which tests best predict how well people age, so doctors can one day of…

This study tests whether a new drug called Fx-5A is safe in healthy adults. Researchers will give a single infusion of the drug and monitor participants for side effects. The goal is to see if Fx-5A can be used in future studies for heart disease and inflammation.

This study aims to find the best way to deliver preventive health screenings to people in underserved and rural areas. It will compare different methods, such as interactive health reports, mobile screening units, and even droid-assisted screenings, to see which improves health e…

This study follows over 4,000 people in Spain who have familial hypercholesterolaemia, an inherited condition causing very high cholesterol and early heart disease. Researchers track their cholesterol levels and any heart events, such as heart attacks or strokes, over time. The g…

This study is testing new magnetic resonance imaging (MRI) techniques to get clearer pictures of the heart and blood vessels without using radiation. Researchers will compare these new MRI methods to standard tests like angiography and CT scans. Up to 4,000 adults—including healt…

This trial tests an experimental imaging tracer called 64Cu-NODAGA-CANF in healthy adults. The goal is to measure how the tracer spreads through the body, calculate the radiation dose, and check its safety. Each participant receives one injection of the tracer and then undergoes …

This study works with Black churches in Washington, D.C. to understand heart health risks like obesity, high blood pressure, and diabetes. About 200 adults will get a health exam, wear an activity monitor for a month, and answer health questions. The results will help design a fu…

This study will screen 3,000 adults with heart disease (coronary artery disease, atrial fibrillation, or heart failure) to see how many also have COPD, a serious lung condition. Doctors and patients will receive education on managing both heart and lung problems together. The goa…

This pilot study will test whether a women-focused education program, called Cardiac College for Women, helps women with heart disease learn more about their condition and feel better. About 50 women in cardiac rehab across Canada will either get the program plus usual care or us…

This early-phase study is testing whether cigarettes with very low nicotine content cause less strain on the heart compared to regular cigarettes. Researchers will measure heart rate and heart rate variability in 49 daily and non-daily smokers after smoking different types of res…

This study looks at how certain blood cell changes (called clonal hematopoiesis) after Hodgkin lymphoma treatment might be linked to later heart problems. Researchers will test blood samples from 190 survivors who received chemotherapy as children or young adults. The goal is to …

This study is creating a large collection of heart tissue and blood samples from patients undergoing cardiovascular procedures and from organ donors. The goal is to learn more about the molecular and cellular changes caused by heart disease and its treatments. By studying these s…

This study looks at whether a hormone called aldosterone plays a key role in high blood pressure. Researchers will follow 500 adults with hypertension, tracking aldosterone levels and related health measures over six months. The goal is to better understand how aldosterone change…

This study investigates whether coronary microvascular dysfunction (CMD) — problems with the tiny blood vessels in the heart — contributes to heart failure with preserved ejection fraction (HFpEF), a condition where the heart pumps normally but is too stiff to fill properly. Rese…

This early-stage study looks at how two common blood thinners, rivaroxaban and apixaban, behave in people with compensated liver cirrhosis. 24 participants receive a single dose of one drug, and researchers measure drug levels and blood clotting markers over 12 hours. The goal is…

This study explores whether higher levels of fats in the blood might reduce platelet clumping, which could lower clot risk. Researchers will compare how platelets react with and without lipid nanoemulsions in blood samples from healthy adults aged 40 and older. The goal is to dev…

This study looks at whether tiny particles released by fat cells, called adiposomes, carry harmful fats that damage blood vessels in people with obesity and type 2 diabetes. Researchers will test if a 12-week aerobic exercise program or weight-loss surgery can reduce these harmfu…

This study will test a new screening program for 3,000 people turning 50 in the Ascoli Piceno province of Italy. Participants will fill out questionnaires and get a blood test to check their risk of developing type 2 diabetes and cardiovascular disease. The goal is to see if this…

This study will enroll 5,000 adults with chronic heart conditions like heart failure, high blood pressure, or aortic stenosis. Participants will wear a Prolaio digital health patch that monitors heart rate, breathing, and other vital signs. The goal is to observe how these condit…

This study tests whether it is possible to run a larger trial comparing two ways of using a breathing machine (ventilator) in critically ill heart patients who need help breathing. The two modes are volume-controlled (delivers a set amount of air each breath) and pressure-control…

This study looks at whether tyrosine kinase inhibitors (TKIs), the standard treatment for chronic myeloid leukemia (CML), might be linked to erectile dysfunction (ED) in men. Researchers will track 350 male patients who started TKI therapy, using questionnaires and medical record…

This study is collecting blood samples and health data from 15,000 symptom-free adults over 40 to understand what healthy aging looks like at the molecular level. By tracking participants over time, researchers hope to establish normal ranges for thousands of blood markers and id…

This large observational study is collecting CT scans, blood samples, and health data from 250,000 adults to develop and validate new ways of predicting heart disease, stroke, and other cardiometabolic conditions. Participants aged 18 to 99 without active cancer are being enrolle…

This registry is an observational study that will follow 5,000 people who receive a Medtronic heart surgery device. Its goal is to confirm the devices are safe and work well in everyday use, and to spot any new risks. No new treatment is being tested—just real-world monitoring.

This study is testing a comprehensive MRI scan to see if it can better diagnose different heart conditions. Researchers will scan 2,000 adults with suspected or confirmed heart disease. The goal is to create a standard imaging method that improves early detection and risk predict…

This observational study will follow 50 adults and children who are starting long-term parenteral nutrition (IV nutrition) to measure the buildup of advanced glycation end-products (AGEs) in their skin. AGEs are harmful compounds that form when sugar binds with proteins, and they…

This study looks at how whole milk and skim milk affect blood sugar and cholesterol in 100 adults who drink at least one cup of dairy milk daily. Participants will switch between drinking only whole milk and only skim milk for set periods, while researchers track changes in their…

This study looks at whether people with heart rhythm problems after a TAVI procedure can safely leave the hospital early if they wear a non-invasive heart monitor at home. About 100 adults who had a successful TAVI for severe aortic stenosis and have certain conduction disorders …

This registry study will enroll 200,000 high-risk cardiac patients to see how well an AI platform called Willem can detect heart problems from standard ECGs. The AI's readings will be compared to expert cardiologist diagnoses, but the AI results won't be shared with doctors, so p…

This study tests a program called Health Impact 360, designed to improve heart health in adults from marginalized communities. 328 participants will join group sessions twice a week for 8 weeks, then once a week for 8 more weeks. Sessions include health education and group walkin…

This study is for adults about to start immune checkpoint inhibitor therapy for cancer. Researchers want to understand why some patients develop heart problems from this treatment. They will analyze blood samples and genetic factors from 1200 participants to find clues that could…

This study will look at how consistently nearly 6,000 adults in Italy take three newer cholesterol-lowering drugs (inclisiran, evolocumab, and alirocumab) over the long term. Researchers will analyze prescription records to measure adherence and persistence in everyday medical pr…

This study looks at 2,000 adults aged 50+ to see if certain blood cell mutations are tied to aging and heart disease, beyond just getting older. Researchers will compare blood and mouth cells to find mutations and track health over time. The goal is to understand these mutations'…

This study measures how common heart disease, diabetes, obesity, and infections like dengue and COVID-19 are among adults in La Reunion. Researchers will also look at possible risk factors, including gut bacteria, genetics, and social conditions. Participants provide blood, DNA, …

This study follows 650 adults who had pneumonia (including COVID-19) to see how the infection might lead to heart disease later. Researchers will collect blood samples, run heart and lung tests, and track heart attacks, strokes, and other events over three years. No new treatment…

This study looks at how exercise training impacts blood vessel function in people with PTSD or generalized anxiety disorder, compared to healthy individuals. Researchers want to understand if harmful substances called oxidants play a role in blood vessel damage. The study involve…

This study creates a large database of about 12,000 people with and without heart disease. Researchers collect medical information and blood samples to analyze factors that influence heart conditions like coronary artery disease, heart failure, and stroke. The goal is to better u…

This study looks at medical records of 1,000 older heart patients in Russia to see if they were prescribed potentially harmful medications during the COVID-19 pandemic. Researchers will use a medical database to count how often these risky prescriptions happened and check for dan…

This study is testing whether simple nutritional checks before heart surgery can predict how well patients recover. Researchers will give 250 patients questionnaires, blood and urine tests, and measure grip strength and body composition. They will then see if these measures are l…

This study is tracking 2,000 adults over time to understand how obesity and disruptions to the body's internal clock (circadian rhythm) influence aging and heart health. Participants will provide health data, questionnaires, and biological samples during annual check-ups. The goa…

This study aims to uncover the genetic causes of cardiomyopathy in children by analyzing DNA from affected individuals and their families. Researchers hope to identify mutations that lead to different types of cardiomyopathy, which could improve genetic counseling and deepen unde…

This study aims to collect DNA samples and medical information from 2,000 people with heterotaxy (a condition where organs are arranged abnormally) and related heart defects, along with their family members. Researchers hope to identify the genetic causes of these conditions, whi…

This study looks at tiny particles called extracellular vesicles (EVs) released from fat cells. Researchers want to understand how these particles carry signals that may affect heart and liver health in people with obesity. About 100 adults having weight-loss surgery will provide…

This study tests whether a new referral program helps more Veterans with heart conditions get into cardiac rehabilitation. Researchers will compare referral and attendance rates before and after the program starts at three VA hospitals, involving 816 participants over 12 months. …

This study looks at whether breast cancer patients on HER2-targeted therapy can safely have fewer heart tests. Currently, patients get heart scans every three months, but most don't change treatment. Researchers will test a personalized schedule based on heart risk, comparing it …

This study looks at whether people with type 2 diabetes, COPD, or heart disease who join a health program in Halsnaes Municipality improve their physical function and well-being. About 194 adults will be tracked before and after the program using tests and questionnaires. The goa…

This study is collecting medical information and blood/urine samples from 9,500 people with various heart and blood vessel conditions, plus healthy volunteers, over 20 years. The goal is to find better ways to diagnose heart disease and predict how patients will do in the future.…

This study looks at how people with ME/CFS (chronic fatigue syndrome) and people with heart conditions feel after a bike exercise test. Researchers want to see if the type and timing of symptoms after exercise are different between the two groups. 80 adults will take part, and th…

This study follows 1600 breast cancer patients for up to 15 years to see if modern, lower-dose radiotherapy causes fewer heart problems than older methods. Researchers will use heart scans, blood tests, and ECGs to detect early signs of damage. The goal is to compare heart diseas…

This study follows 300 people who had hospital-acquired pneumonia to see how it affects their heart and lungs over 18 months. Researchers will take blood samples, swabs, and perform heart and lung tests to understand the link between pneumonia and later cardiovascular problems li…

This study aims to learn how well heart scans (MRI, ultrasound, PET) can detect and predict outcomes in people with suspected or known inflammatory heart diseases. Researchers will follow 5,000 adults for one year to see how often heart involvement is confirmed and how it affects…

This study looks at whether giving patients who come to the emergency department with chest pain a simple explanation of their heart disease risk can help them understand and improve their health. Researchers will talk with 118 adults in Scotland who have slightly elevated tropon…

This study uses a robotic arm and brain stimulation to learn how different brain areas control reaching movements in people who have had a stroke and those who haven't. Researchers will measure movement paths, speeds, and accuracy. The goal is to understand brain changes after st…

This study looks at 500 adult survivors of childhood cancer to see if a newer type of heart ultrasound, called speckle tracking, can find heart problems earlier than the usual method. Researchers want to know if this technique can detect heart damage sooner, which could help with…

This study is creating a large database of health information from 743 adults with HIV/AIDS across Brazil. Researchers will look at how common chronic diseases like heart disease, kidney disease, and cancer are in this group. The goal is to gather data to help improve health poli…

This study is collecting blood samples and health data from 10,000 hospitalized patients with metabolic diseases like diabetes, obesity, or metabolic syndrome. Researchers will analyze genetic and other markers to create a personalized risk profile for death. The goal is to impro…

This study follows 500 American Indian adults with early kidney disease to learn how their condition progresses and what factors affect heart health. Researchers will measure kidney function and track heart events like heart attacks and strokes. The goal is to fill knowledge gaps…

This study is testing whether artificial intelligence can predict if someone will develop one of five common diseases: diabetes, heart disease, breast cancer, back pain, or arthritis. Researchers will collect health data from 1,000 adults aged 30 to 60, including medical records,…

This study aims to find early warning signs for major chronic diseases like stroke, heart disease, and cancer by following 4,500 healthy adults aged 30-80 in Lishui. Participants will receive regular check-ups and long-term monitoring. The goal is to improve prevention and care a…

This study looks at how a short course of high-dose statins affects fatty buildup (plaque) in the heart arteries of people with mild heart disease. Researchers will use advanced CT scans to measure changes in plaque size and type over 3 months, and then check if those changes las…

This study looks at how semaglutide, a drug used for diabetes and weight loss, changes fat tissue around the kidneys, heart, and liver in people with type 2 diabetes and chronic kidney disease. Researchers will compare patients taking semaglutide to those not taking it. The goal …

This study is a worldwide registry that follows 5,000 adults with breast cancer, blood cancers, or those on immune checkpoint inhibitors. Researchers collect medical records, lab results, and imaging to identify who is at risk for heart problems during or after cancer treatment. …

This study uses advanced heart MRI to see how bariatric surgery and cardiac rehabilitation change the heart's structure and function. Researchers will scan 150 adults before and 6-12 months after these metabolic treatments. The goal is to understand how the heart adapts to these …

This study tests whether temporarily stimulating a specific part of the brain can improve hand, arm, and speech abilities in people who had a stroke at least 6 months ago. Ten participants will have a thin wire placed deep in the brain for less than 30 days to deliver mild electr…

This study will use a new type of cardiac MRI to look at the heart's microscopic structure in 1,000 people—both healthy volunteers and those with various heart conditions. The goal is to see if this advanced imaging can detect early signs of heart damage better than standard test…

This study is not testing a new treatment. Instead, it aims to collect health information from 40 people with LCAT deficiency, a rare genetic disorder that affects cholesterol and kidney function. Researchers will review medical records, perform blood and urine tests, and track h…

This study looks at how to measure cardiorespiratory fitness in people with severe mental illness, such as schizophrenia or bipolar disorder. Researchers will compare three different fitness tests in 50 patients and 25 healthy volunteers. The goal is to find a simple, accurate wa…

This study follows 2,500 adults aged 30-75 in Puerto Rico to track chronic diseases like heart disease, diabetes, and obesity. Researchers will collect data on diet, stress, and lifestyle over two years to identify trends and risk factors. The goal is to guide public health prior…

This study tests whether an 8-week, at-home exercise program can improve heart and lung fitness in patients at high risk for heart problems who are about to receive a stem cell transplant. Ten adults will follow a personalized workout plan using a heart rate app. The main goal is…

This study is testing a new way to understand how nerves in the kidney affect blood pressure. About 19 adults with high blood pressure will receive mild electrical stimulation to kidney nerves before and after a procedure that quiets those nerves. The goal is to learn how the bod…

This study looks at why people with type 2 diabetes often develop heart problems. Researchers will collect blood and urine from 90 volunteers—some with diabetes and heart disease, some with diabetes only, and some healthy—to study special cells called endothelial progenitor cells…

This study is looking for new genes and blood markers linked to arrhythmogenic cardiomyopathy (AVC), a genetic heart condition that can lead to heart failure and sudden cardiac arrest. Researchers will enroll 1,000 people, including patients with AVC or unexplained cardiac arrest…

This study is building a huge database of up to 800,000 Korean patients with heart or brain vascular disease. By tracking their health over many years, researchers hope to understand the unique patterns and risk factors in this population. The goal is to create a platform that ca…

This study uses a survey to find out how well people with existing heart disease understand their risk factors and their chances of having another heart problem. Researchers will compare answers from 200 women and men to see if there are differences. The goal is to learn where aw…

This study from the University of Oxford looks at why women who had high blood pressure during pregnancy are more likely to develop heart and blood vessel disease later in life. Researchers will follow 200 women who gave birth 10 to 25 years ago, using heart scans, exercise tests…

This study will track 1,200 adults in semi-rural Tanzania to find out how common chronic kidney disease (CKD) is and what factors increase the risk. Participants will have blood and urine tests at the start, after 90 days, and again after one year. The goal is to create better wa…

This study tests whether regular heart failure symptom questionnaires delivered by a chatbot can detect worsening health early. 120 people with heart failure will answer questions every two weeks for a year. The goal is to see if this approach is practical and if changes in score…

This study is creating a large biobank of blood, DNA, plasma, and tissue samples from 15,000 people with and without heart and aortic diseases. Researchers will use this information to better understand conditions like aortic aneurysm, heart failure, and bicuspid aortic valve. Th…

This study aims to find genetic causes of out-of-hospital cardiac arrest in people aged 18–50 in Lombardy, Italy. Researchers will analyze blood samples from 1,725 patients and also check family members for inherited heart risks. The goal is to better understand why cardiac arres…

This study is creating a large database of 8,000 adults with heart, kidney, or metabolic diseases to track their health over up to 5 years. Researchers will collect medical records, imaging, and lab data to understand how these conditions interact and affect long-term outcomes. T…

This study looks at whether a lower daily dose of aspirin (50 mg) is as effective and safer than the standard dose (100 mg) for preventing heart attacks and strokes in Chinese patients aged 60 and older with heart disease. Researchers will follow over 5,400 participants for up to…

This study uses advanced total-body PET scans to look inside vein grafts after coronary artery bypass surgery. Researchers want to understand why some grafts fail, leading to heart attacks or strokes. They will scan 70 patients—some soon after surgery and others years later—to tr…

This study will use advanced heart MRI scans on up to 100,000 people with known or suspected heart disease. The goal is to learn how these scans can help doctors better understand, diagnose, and treat different heart conditions. Researchers will track participants' health over ti…

This study will see if an artificial intelligence (AI) model can predict major heart problems within 30 days after gastrointestinal surgery better than current risk scores. Researchers will review medical records of 5,000 adults having surgery at Bach Mai Hospital in 2025-2026. T…

This study tests whether artificial intelligence (AI) can help cardiologists read echocardiograms (heart ultrasounds) more quickly and consistently. Researchers will give AI analysis to doctors in real time as they review heart images from 50 participants with valve disease. The …

This study looks at how sitting for 2 hours straight affects blood pressure over the next 24 hours in healthy adults aged 18-65. Researchers will measure artery function and blood pressure before, during, and after sitting, and test if blocking certain artery-relaxing chemicals c…

This study is testing two simple risk score tools to see how well they predict heart disease in 10,000 people in Pakistan. Participants will have their risk factors checked and be followed over time. The goal is to find the best way to identify who needs early treatment to preven…

This study looks at how a heart hormone called atrial natriuretic peptide (ANP) affects metabolism and heart health. Researchers will test 200 adults with different genetic versions of ANP to see how their bodies respond to exercise and sugar. The goal is to understand why some p…

This study creates a large collection of blood, tissue, and medical information from up to 5,000 people with or at risk for pediatric heart disease. Researchers will use these samples to better understand the disease and find new ways to diagnose or treat it in the future. Partic…

This study tests whether a rapid outpatient evaluation within 72 hours of an emergency department visit is as safe and effective as hospitalization for people with chest pain at moderate risk of a heart attack. About 500 participants will be randomly assigned to either outpatient…

This study will screen blood pressure in over 22,000 children aged 5-18 across South Africa. The goal is to create the country's first reference charts for normal blood pressure, since current charts are based on US and European data. This will help doctors correctly diagnose and…

This study is a registry that gathers information from up to 500 people in Russia who have extremely high triglyceride levels (a type of fat in the blood). The goal is to learn more about their health, genetics, and current treatments. No new drugs or procedures are tested—just o…

This study looks at how being in hot conditions during the day, at night, or both affects the body and mind. Thirty-five healthy adults aged 18-30 will spend time in a temperature-controlled room. Researchers will measure heart function, lung capacity, blood markers of inflammati…

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study is testing whether giving probiotics after heart surgery can improve recovery by changing the bacteria in the gut. Researchers will measure certain chemicals in the blood that come from gut bacteria. The trial involves 30 adults scheduled for heart surgery, who will re…

This study looks at how standard gum disease treatments—deep cleaning with or without a special mouthwash—change proteins in your saliva and affect blood vessel health. Researchers will study 30 adults with gum disease to see if these treatments help or harm the good bacteria tha…

This study is testing whether a new type of PET-MR scan can help predict stroke risk in people with significant narrowing of the carotid artery (the main artery in the neck) who have not yet had symptoms. Researchers will give participants an injection of a radioactive tracer and…

This study is building a large collection of blood samples and health information from 5,000 adults with congenital heart disease and related conditions. Researchers will use this data to better understand how these diseases work and what affects patient health. No treatments or …

This study collects blood samples from 1500 adults at risk for heart disease to discover new biomarkers that can predict future heart attacks, strokes, or blocked leg arteries. Participants are seen at a specialized prevention center and provide samples and health data at the sta…

This study follows 300 preterm and full-term infants from birth to age 10 to see how their kidneys grow and function. Researchers use ultrasound and blood/urine tests to find early markers of kidney injury and high blood pressure. The goal is to identify at-risk children before t…

This study is testing whether a special wearable device, combined with artificial intelligence, can help people with chronic heart failure avoid hospital visits. About 205 adults will wear the device for six months while their health data is monitored remotely. The goal is to see…

This study tests whether giving critically ill ICU patients red blood cells from a donor of the same sex (sex-matched) versus the opposite sex (sex-mismatched) affects their chance of survival. Over 11,000 adults in ICUs who need a transfusion will be randomly assigned to receive…

This study looks at why people with hemophilia (a bleeding disorder) are less likely to die from heart disease. Researchers will use a new, detailed CT scanner to compare heart artery health in 80 men aged 45+ with hemophilia to similar men without it. The goal is to understand h…

This study looks at whether remote exercise programs (using a smartphone app, live video classes, or in-person sessions) can help people at risk for heart disease become more active. About 30 adults over age 45 who are not currently meeting exercise guidelines will take part. The…

This study aims to find the genetic causes of bicuspid aortic valve (BAV), a common heart defect where the valve has two flaps instead of three. Researchers will collect blood samples from 700 people with BAV and their family members to compare DNA. The goal is to identify gene c…

This study brings together health data from about 3 million people across 40 countries to see how common risk factors like high blood pressure, smoking, and diabetes affect heart disease and death rates. Researchers want to understand how these risks differ by region and sex. No …

This study tests a program called Heart-to-Heart, where community health workers help low-income patients make informed choices about cardiac rehab after a heart event. About 50 adults from Johns Hopkins Hospital will take part. The goal is to see if the program is practical and …

This study looks at how the bacteria living in your gut (the microbiome) are linked to health and diseases like cancer and heart disease. Researchers will collect information from 16,000 adults over age 40 through questionnaires and samples. The goal is to build a large database …

This study aims to see if a short, easy questionnaire can help detect sleep disorders in people visiting a heart doctor. Researchers will ask 1500 adults about their sleep and check if certain sleep problems are linked to heart disease. The goal is to make it simpler for doctors …

This study aims to understand how obesity and aging are connected by looking at blood markers in 650 young and older adults with or without obesity. Participants will provide blood samples and undergo imaging tests to measure biological age and fat distribution. The goal is to la…

This study aims to improve how doctors interpret stress echocardiograms—ultrasounds of the heart during exercise—by using machine learning. Researchers will analyze data from 1,250 patients to develop more accurate tools for detecting blocked arteries and heart attack risk. The g…

This study looks at how adding different types and combinations of dietary fiber to scones affects blood sugar, feelings of fullness, and gut bacteria. Overweight but otherwise healthy adults will eat seven different fiber-enriched scones over several days. Researchers will track…

This University of California, Davis study is testing whether chocolate made from chardonnay grape leftovers (called marc) can improve blood vessel function and reduce oxidative stress. Five adults with higher body weight and slightly reduced blood vessel flexibility will eat dif…

This study looks at how sleep and the body's internal clock influence blood pressure in people with hypertension. Researchers will monitor 32 adults aged 25-64 to understand why some have a 'non-dipping' pattern where blood pressure stays high at night. The goal is to uncover mec…

This study is building a biobank of DNA samples and health information from 500 adults. Researchers will use this resource to explore how genetic variations relate to heart disease, high blood pressure, diabetes, and obesity. Participants provide samples and data, but no experime…

This study tests whether a special nurse-led education program helps people who have had a heart attack feel more confident managing their health. Participants will either receive standard care or extra support including personalized advice on diet, exercise, and quitting smoking…

This study is testing whether a special CT scan of the heart (CTCA) can better predict heart attacks and other heart problems in people waiting for a kidney transplant. About 332 patients on the transplant list will get a single CTCA scan before their surgery. Researchers will th…

This study looks at whether adding green spaces, like trees and parks, to neighborhoods can improve heart health and overall well-being. Researchers will follow 835 adults aged 30-70 living in Louisville, measuring things like artery stiffness, blood pressure, and body compositio…

This study is looking at whether data from a Fitbit smartwatch (like heart rate, sleep, and steps) can help assess heart health and predict the risk of heart disease. Researchers will track 100 adults over time, comparing their wearable data with standard heart health measures. T…

This study looks at how small genetic changes influence molecules that naturally resolve inflammation. Researchers will analyze blood samples from 200 volunteers of Bangladeshi and Pakistani origin to understand why some people develop chronic inflammatory diseases like arthritis…

This study is building a large group of 600 people with immune-mediated inflammatory diseases (like arthritis or lupus) to track their heart health over time. Researchers will use simple blood tests to see if certain heart-related markers can predict future heart problems. The go…

This observational study will use special PET scans to measure how much oxygen the heart and kidneys use in people with type 1 diabetes. Researchers want to see if a more intensive treatment plan (multifactorial intervention) lowers oxygen demand compared to standard care. Forty …

This study collects small heart tissue samples from 400 adults undergoing heart procedures. Researchers will analyze these samples to find new markers that could help diagnose heart diseases earlier and better understand how the heart works in health and disease. The goal is to i…

This study looks at how different amounts of water and non-sugar drinks affect hydration, blood sugar, and heart health in 144 adults. Participants will follow specific drinking plans over several weeks. The goal is to see if simply drinking more fluids—with or without sweeteners…

This study looks at whether certain medications known to affect the heart's electrical activity (QT-prolonging drugs) actually cause major heart problems in hospitalized adults. Researchers will analyze data from over 990,000 patients across Ontario hospitals, comparing those who…

This study uses a special eye scan called OCTA to measure the density of tiny blood vessels in the retina. Researchers will compare results from 64 people—half with cardiovascular disease and half healthy—to see if the scan can reliably detect vessel changes linked to heart probl…

This study looks at whether simple, non-invasive skin tests can detect early signs of heart disease by measuring how well small blood vessels work. Researchers will study 900 people aged 60-75, comparing skin blood flow measurements with detailed heart scans. The goal is to find …

This study looks at how remembering a loved one affects the heart rate and blood pressure of young adults who have lost someone in the last 2 to 18 months. Researchers want to see if a quick self-affirmation exercise (thinking about your core values) can help calm the body's stre…

This study is testing whether a CT scan can do the same job as an MRI for looking at heart muscle damage and scarring. MRI is the current gold standard but is slow, expensive, and not suitable for everyone (e.g., people with pacemakers or claustrophobia). The researchers will enr…

This study is testing whether adding genetic and imaging information to standard risk assessments can better predict heart disease in 30,000 healthy Italian adults aged 40-80. Participants will have their risk calculated using traditional methods and then again with the added dat…

This study looks at how emergency departments handle patients who have had a transient ischemic attack (TIA), also known as a mini-stroke. Researchers will review records of 300 adults diagnosed with TIA in 2024 to see if the care they received—like tests and treatments—matched t…

This study is creating a huge collection of medical images and health information from 50,000 adults. Researchers will use advanced CT and MRI scans to find hidden patterns that could help predict, diagnose, and treat diseases like cancer, heart disease, and brain disorders. Part…

This study looks at whether root canal treatment can reduce inflammation markers linked to heart disease in people with stable coronary artery disease and infected tooth roots. Eighty adults will either get immediate root canal treatment or wait three months. Researchers will mea…

This study is testing a virtual patient navigation program for 260 English, Chinese, or Spanish speakers with breast cancer or heart disease. The goal is to see if a phone-based portal can help underserved people get the support they need, even though it won't fully replace in-pe…

This study will follow 20,000 adults in rural China for three years to understand how chronic diseases like high blood pressure, diabetes, and frailty develop. Participants will provide health data and samples to build a comprehensive database. The goal is to create better diseas…

This study follows over 10,000 Moroccan adults for 10 years after a heart screening. Researchers will track heart attacks, strokes, and heart-related deaths to build a risk score tailored to the Moroccan population. The goal is to better predict and prevent heart disease in Moroc…

This study looks at the long-term health of children (16 years and older) whose mothers had a solid organ transplant before pregnancy. Researchers want to see if these children have higher risks for heart or kidney problems, possibly due to the mother's transplant or medications.…

This study is creating a collection of blood, urine, and stool samples from 500 adults with or at risk for heart and blood vessel diseases. Researchers will use these samples to study inflammation, blood clotting, and other biological pathways. The goal is to build a resource tha…

This study follows 213 adults recovering from a first ischemic stroke to see if the intensity of inpatient rehabilitation (high vs. moderate) affects their functional recovery at six months. It also compares people whose stroke was linked to atrial fibrillation with those whose s…

This study observes 80 transgender individuals starting cross-sex hormone therapy (testosterone or estrogen) to see how it changes eating behavior, metabolism, weight, and heart health. Participants are followed over time with no extra treatments or procedures. The goal is to und…

This study explores whether having communities design their own health programs can improve quality of life, reduce unnecessary medication, and lower the burden on doctors. About 4,000 adults in Elche, Spain, will take surveys and participate in community-led actions over three y…

This study looks at how tiny air pollution particles and noise affect the heart and metabolism of adults aged 45-64 in Kaunas City. Researchers will test if daily walks in green spaces or following a Mediterranean diet can improve health markers. About 180 participants will wear …

This study tests a program where doctors' offices help families who struggle to afford food get connected to community nutrition support. About 600 families with children aged 5-18 who have certain health conditions and receive Medicaid or SNAP will take part. The goal is to see …

This study is looking at how lifestyle choices like diet, exercise, stress, and sleep relate to heart health measures such as blood pressure and cholesterol. Researchers will ask 100 adults and young people to fill out a questionnaire about their habits. The goal is to better und…

This study follows 345 adults to learn how COVID-19 may cause lasting damage to the lungs, heart, and kidneys. Researchers will compare people who had COVID-19 with those who did not, using blood tests, breathing tests, and heart scans. The goal is to find early warning signs and…

This study reviews medical records from over 1,200 people with immune thrombotic thrombocytopenic purpura (iTTP), a rare and life-threatening blood disorder. The goal is to understand long-term health problems, such as heart disease and thinking issues, that survivors face. By an…

This registry will track 800 adults with valvular heart disease to see if women and men receive different diagnosis, treatment, and follow-up care. Researchers will compare how quickly each group gets guideline-recommended therapies and whether gender, age, or ethnicity affect ou…

This study will follow 500 transgender adults who have been on gender-affirming hormone therapy for at least a year. Researchers will measure changes in blood pressure, cholesterol, body composition, and other heart health markers. The goal is to understand the long-term cardiova…

This study will monitor 1,000 hospitalized patients who receive tropicamide/phenylephrine eye drops, commonly used to dilate pupils before eye surgery. Researchers will measure vital signs and ask about side effects at several time points after the drops are given. The goal is to…

This study will follow 10,000 people who come to a clinic in Davos, Switzerland for cardiac rehabilitation after a heart attack, surgery, or other heart problem. Researchers will collect health data, blood samples, and genetic information to understand what helps people recover b…

This study is testing whether a smartwatch, combined with artificial intelligence and remote doctor check-ins, can help detect heart issues like atrial fibrillation and unstable angina earlier than usual. Researchers at the University of Sao Paulo will enroll 520 adults with hear…

Researchers at Mayo Clinic are studying 600 Somali-American adults to understand how common obstructive sleep apnea is and how it affects heart health. Participants will have sleep tests, blood pressure monitoring, and glucose testing. The goal is to learn about unique risk facto…

This study is tracking 1,000 adults with psoriasis to see how their skin condition relates to heart disease. Researchers will use blood tests and heart imaging to find early signs of heart problems. The goal is to better understand why people with psoriasis have higher rates of h…

This pilot study is testing whether wearable devices like smartwatches, blood pressure monitors, and smart scales can help patients recover after a stay in the intensive care unit (ICU). Many ICU survivors face physical and mental challenges, known as Post-Intensive Care Syndrome…

This study examines whether community park-based fitness programs can improve cardiovascular health in adults aged 50 and older. Researchers will analyze data from 1,000 participants who took part in exercise sessions including aerobics, strength training, and balance exercises. …

This study will collect DNA samples and medical records from 1,000 people with panvascular disease, a condition where arteries in multiple parts of the body are narrowed or blocked. Researchers will analyze this data to better understand what causes the disease and how it progres…